So, the people who do such things measure the clarity of Lake Tahoe by submersing a white disc into the water, and they basically lower it down until it's out of sight. I recently read that in the 1940s, the disc could drop down like 130 feet before it vanished. These days, it's like, half that depth. Chew on that.
My pal Craig saw the TV show the other night that had to do with the supposed government conspiracy invloving the moon landings. Now, I don't know about all THAT, but Craig is convinced. We were driving home from Tahoe last night, and out of the blue Craig says, "I know a guy who is saving up a bunch of money so he can buy a moon rock. What a shame, he's getting ripped off!"